NPPES file of Aug 9, 2026

Janel Ruth Jacob, M.D.

Rheumatology Physician · La Jolla, CA

Janel Ruth Jacob, M.D. is a rheumatology physician with a practice address in La Jolla, California, and NPI 1851308399, issued on Aug 1, 2006. Check the license (California G44970, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851308399
Name
Janel Ruth Jacob
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
G44970 CA
Self-reported in NPPES; status is on the state search
Practice location
9500 Gilman Dr, La Jolla, CA 92093
Phone
(858) 534-6533
Enumerated
Aug 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(858) 534-6533
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest rheumatology physician records → All 926 in California → Look up another NPI →

Also registered at 9500 Gilman Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mickey Abraham, MD, MSStudent in an Organized Health Care Education/Training Program1609403732
  2. Angela Acfalle, NP CNSAdult Health Nurse Practitioner1013983857
  3. Kelley Adams, M.D.Psychiatry Physician1215039771
  4. Aaron AhdootStudent in an Organized Health Care Education/Training Program1558217901
  5. Grace AhnStudent in an Organized Health Care Education/Training Program1295317816
  6. Ginger Armas, PHDCounselor1396125035

Verify Janel Ruth Jacob in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G44970    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Janel Ruth Jacob among 926 rheumatology physician records in California

Janel Ruth Jacob, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 926 in California → Every provider in La Jolla → Rheumatology Physician nationwide →

The 8 rheumatology physician records with the nearest ZIP codes

  1. Dennis Carson, MDLa Jolla, CA 920931447681531
  2. Monica Guma, M.D., PH.D.La Jolla, CA 920931346522141
  3. Brian Pedersen, M.B.B.S.La Jolla, CA 920931790913770
  4. Corrie Broudy, MDSan Diego, CA 921011558467514
  5. Rashad Ansari, MDVista, CA 920831063594372
  6. Etleva Bejko, M.D.Vista, CA 920831164804431
  7. Paul Brion, M.D.Vista, CA 920831295724326
  8. Jeannie Chao, M.DSan Diego, CA 921031962600015

Common questions

What is Janel Ruth Jacob, M.D.'s NPI number?

Janel Ruth Jacob, M.D.'s National Provider Identifier (NPI) is 1851308399, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janel Ruth Jacob, M.D. located?

The NPPES record lists a practice address at 9500 Gilman Dr, La Jolla, CA, 92093. Phone: (858) 534-6533. Providers update this record themselves, so call before visiting.

How can I verify Janel Ruth Jacob, M.D.'s license?

NPPES lists California license number G44970, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.